Database Systems Quiz
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Questions and Answers

What is a database?

  • A collection of unrelated data
  • A collection of related data (correct)
  • A data management system
  • A single data record

    • What is a mini-world in the context of a database?

  • A database modeling tool
  • A virtual reality environment for data storage
  • A small-scale experimental database
  • Some part of the real world about which data is stored in a database (correct)

    • What are examples of recent database applications?

  • Booking a holiday at the travel agents
  • Purchases using your credit card
  • Social media databases (Facebook, Twitter, etc.) (correct)
  • Purchases from the supermarket

    • What are known facts that can be recorded and have an implicit meaning in a database?

    <p>Data</p> Signup and view all the answers

    What are the main characteristics of the database approach?

    <p>Data independence, efficient data access, and data integrity</p> Signup and view all the answers

    Which of the following is NOT an example of a recent database application?

    <p>Purchases from the supermarket</p> Signup and view all the answers

    What is a mini-world in the context of a database?

    <p>A part of the real world about which data is stored in a database</p> Signup and view all the answers

    What are known facts that can be recorded and have an implicit meaning in a database?

    <p>Data</p> Signup and view all the answers

    What are the main characteristics of the database approach?

    <p>Data independence, efficient data access, and data integrity</p> Signup and view all the answers

    When should a database not be used?

    <p>For applications with high data redundancy</p> Signup and view all the answers

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